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"A fast automatic modulation recognition algorithm and its implementation in a spectrum monitoring application"
from Boudreau, D.; Dubuc, C.; Patenaude, F.; Dufour, M.; Lodge, J.; Inkol, R.
this paper is quite good. i did not implement these methods myself but a friend of mine dit it, and it seemed it was working more or less well
"Digital communication" by Bernard Sclar have more information about
modulation. Unfortunately I don't remember where it was placed in the web. However, this book exists in '.pdf' exactly.
Classification of BPSK and QPSK signals with unknown signal level using the Bayes technique
Liang Hong Ho, K.C.
Dept. of Electr. & Comput. Eng., Missouri Univ., Columbia, MO, USA;
This paper appears in: Circuits and Systems, 2003. ISCAS '03. Proceedings of the 2003 International Symposium on
Publication Date: 25-28 May 2003
On page(s): IV-1- IV-4 vol.4
Volume: 4, ISSN:
Number of Pages: 5 vol.(ci+1076+962+941+915+840)
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Abstract:
Automatic modulation classification through digital signal processing has found many applications in wireless communication systems, including interference identification, spectrum management and electronic warfare. In practice, wireless communication environments suffer from ill-characterized interference, fading and multipath. As a result, the level of the received signal is always time-varying and not known. This paper studies the use of the Bayes method to distinguish BPSK signal and QPSK signal without a priori knowledge of the received signal level. The maximum a posteriori classifier is derived with Rayleigh distributed signal amplitude. Simulations show that the classifier using the Bayes technique is superior to the classifier without considering the variation of signal level.
Do you have this ebook ?
I did't manage to find it in this forum and i know that it is very classical book.
So it will be great if you are able to uploade it here (in the e-book upload/download section)
for some it might be too late, but for those who might need it in future here's Sclar, unfortunately not all chapters (I know for sure that chapter 13 isnt presented) I have this book complete in jpg format but it's reeealy heavy approx. 400mb, so i hope this will be enough for you
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